Malicious PDF — malware analysis report

Static analysis result for SHA-256 2dc518a21dbd17e8…

MALICIOUS

PDF

43.6 KB Created: 2020-07-09 18:47:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66117b3066327e6290b8109b7e73d654 SHA-1: 2749c278b9c716845b328b65491a143bff5909ad SHA-256: 2dc518a21dbd17e8578fd39f94d8a22d107a8854d86b26c14efce98f92295a79
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF contains a large number of embedded links, many of which point to redirector infrastructure. The primary link, https://ttraff.cc/wb?keyword=technics%20amplifier%20manual, is identified as a malicious redirector. This suggests the document is designed to lure users into clicking malicious links, likely for phishing or malware distribution. No scripts were extracted, and the document body is heavily obfuscated.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/wb?keyword=technics%20amplifier%20manual
    • http://files.thedinopark.com/uploads/1/3/2/7/132740415/6535022.pdf
    • http://files.priorityenvironmental.ca/uploads/1/3/2/7/132740415/poturowinu-pepurefeme-zomoxiru.pdf
    • http://files.weelessons.com/uploads/1/3/1/0/131071035/cbbb5e5.pdf
    • http://files.weavevirgin.com/uploads/1/3/0/9/130969775/gemuxaxopifage.pdf
    • http://files.littleladyo.com/uploads/1/3/0/9/130969004/furopigolijur.pdf
    • http://files.heavencanbefound.com/uploads/1/3/1/3/131384018/tizalunovemili.pdf
    • http://files.jovaunholmes.com/uploads/1/3/0/8/130873973/818c81.pdf
    • http://files.pittsburghighschoolband.org/uploads/1/3/1/4/131409244/3d9ce269533d96.pdf
    • http://files.queensparkbooks.co.uk/uploads/1/3/0/7/130738991/7992194.pdf
    • http://files.mpowertheworld.net/uploads/1/3/2/7/132740415/kadisetiwebuget_rofajanagojata.pdf
    • http://files.shoreliteracy.org/uploads/1/3/0/7/130775629/f3373.pdf
    • https://kuwinekej.files.wordpress.com/2020/07/75082655823.pdf
    • https://dakenoxuw.files.wordpress.com/2020/07/vomegigudejarereje.pdf
    • https://duvisigu.files.wordpress.com/2020/06/xisexen.pdf
    • https://tobufero845160613.files.wordpress.com/2020/06/faxunesokumoxekufesam.pdf
    • https://wavirajob.files.wordpress.com/2020/07/busiwojef.pdf
    • https://nasurigafu.files.wordpress.com/2020/07/5578692004.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75609531209.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90554838216.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8861538602.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57790570823.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vofelowuloluvazoriwonub.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nasidobedibugamis.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zodotuxufaliga.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000062e4.bin
b11758d811d11adb4de1caf338cde31712cfd5d1c044e9386f902350e3a6c7c9
pdf-font-stream PDF embedded font (sfnt) at offset 0x62E4 4896 bytes
font_01_sfnt_off0000734b.bin
0e4dc97e94feba569e6f86e75ca16ed8a9315891c3a3349dd117946a44c03bf1
pdf-font-stream PDF embedded font (sfnt) at offset 0x734B 14604 bytes